How Can I Programmatically Restart an IIS Application Pool Using C# (.NET 2)?

Using C# (.NET 2) to Restart an IIS Application Pool

Programmatically restarting or recycling an IIS application pool is easily achieved using C# (.NET 2). The following code snippet provides a simple solution:

<code class="language-csharp">HttpRuntime.UnloadAppDomain();</code>

How it Works:

This code leverages the HttpRuntime class, which offers access to runtime information and functionality within ASP.NET applications. The UnloadAppDomain() method unloads the current application domain, triggering a recycle of the application pool. This forces a restart, reloading the application and applying any changes.

This technique is frequently used to update application settings, configurations, or code without needing a server reboot. It's a convenient method for refreshing the application pool and ensuring updates are implemented.

Important Notes:

• This method requires the application to be built as a Web Application Project.
• UnloadAppDomain() can only be called from a running ASP.NET application.
• Because pool recycling causes temporary disruption, it's best used during low-traffic periods or when the application is not actively in use.

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